نتایج جستجو برای: three dimensional ultrasonography

تعداد نتایج: 1562306  

Journal: :Optics letters 2014
Kaspar Sakmann Mark Kasevich

Light field microscopy methods together with three-dimensional (3D) deconvolution can be used to obtain single-shot 3D images of atomic clouds. We demonstrate the method using a test setup that extracts 3D images from a fluorescent Rb87 atomic vapor.

Journal: :Optics express 2010
Qian Xu Kebin Shi Haifeng Li Kerkil Choi Ryoichi Horisaki David Brady Demetri Psaltis Zhiwen Liu

We demonstrate a simple approach for inline holographic coherent anti-Stokes Raman scattering (CARS) microscopy, in which a layer of uniform nonlinear medium is placed in front of a specimen to be imaged. The reference wave created by four-wave mixing in the nonlinear medium can interfere with the CARS signal generated in the specimen to result in an inline hologram. We experimentally and theor...

2016
Azad Mashari Mario Montealegre-Gallegos Ziyad Knio Lu Yeh Jelliffe Jeganathan Robina Matyal Kamal R Khabbaz Feroze Mahmood

Three-dimensional (3D) printing is a rapidly evolving technology with several potential applications in the diagnosis and management of cardiac disease. Recently, 3D printing (i.e. rapid prototyping) derived from 3D transesophageal echocardiography (TEE) has become possible. Due to the multiple steps involved and the specific equipment required for each step, it might be difficult to start impl...

2009
Marie Levine Rémi Soummer Patrick J. Lowrance Sean McCully Christian Marois Stephen Ridgway Domenick Tenerelli

2003
B. Pesaran A. T. Sornborger N. Nishimura D. Kleinfeld P. P. Mitra

Journal: :Journal of the American College of Cardiology 1994
G A Mensah B F Byrd

Journal: :Applied optics 2013
Tetsuya Hashimoto Akiko Hirai Kyu Yoshimori

A signal-processing method is proposed in the fully interferometric three-dimensional (3D) imaging spectrometry. This processing computes a 3D interferogram, in which recorded fringe patterns do not directly reflect wavefront forms propagated from a polychromatic light source under measurement. This paper presents a procedure for signal processing including a synthesis of the 3D interferogram a...

2012
Keisuke Isobe Hiroyuki Kawano Takanori Takeda Akira Suda Akiko Kumagai Hideaki Mizuno Atsushi Miyawaki Katsumi Midorikawa

We demonstrate how the resolution and imaging depth limitations of nonlinear optical microscopy can be overcome by modulating the spatial overlap between two-color pulses. We suppress out-of-focus signals, which limit the imaging depth, by a factor of 100, and enhance the lateral and axial resolution by factors of 1.6 and 1.4-1.8 respectively. Using spatial overlap modulation, we demonstrate ba...

2006
A. Waibel Hua Gao H. K. Ekenel

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